Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Alter Mental Health - Dana Point LLC

Mental Illness Community Based Residential Treatment Facility in San Juan Capistrano, CA · enumerated 2023 · authorized official Michelle Duensing, Billing Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275305112

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Alter Mental Health - Dana Point LLC

Other name <Unavail>

Practice address 33522 Avenida Calita, San Juan Capistrano, CA, 92675

Phone (949) 886-5833

Fax (949) 308-7789

Enumeration date Oct 24, 2023

Last updated in NPPES Aug 13, 2025

Taxonomy & classification

320800000X Mental Illness Community Based Residential Treatment Facility Residential Treatment Facilities Primary

Authorized official

Name Michelle Duensing

Title Billing Manager

Phone (949) 298-2772

Other identifiers

Identifier	Type	State	Issuer
306006362	Other	CA	DEPARTMENT OF SOCIAL SERVICES
MHBS230474	Other	CA	DEPARTMENT OF HEALTH CARE SERVICES

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Alter Mental Health - Dana Point LLC?

Alter Mental Health - Dana Point LLC is registered in NPPES as a Mental Illness Community Based Residential Treatment Facility (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-13.